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Mend Glow-worm 30ci Boiler Fault Code

Glow worm 30ci Fault F12?

Hi the display is showing a F12 with red light flashing the boiler is not working at all any advise?Thanks Bill

BILL
July 2008

Glow-worm Glow-worm 30ci Heating, Home Heating Systems Glowworm Boiler Fault Code

I hava a fault on my boiler saying f12 fault and red light flashing, i have changed the pcb but with the new one it doesn't even work , the display doesn't go on.
What else can it be?

Kiko740
January 2016

I hava a fault on my boiler saying f12 fault and red light flashing, i have changed the pcb but with the new one it doesn't even work , the display doesn't go on.
What else can it be?

Kiko740
January 2016

I hava a fault on my boiler saying f12 fault and red light flashing, i have changed the pcb but with the new one it doesn't even work , the display doesn't go on.
What else can it be?

Kiko740
January 2016

user interface or distant control panel fault.....

sounds like a pcb, or possibly if you have remote programmable stats or something there may be a fault with it

T
July 2008

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Glow-worm 30ci F12 Fault - Help & Advice